Have BT removed there live chat, i found this an easy way to communicate, but unable to find it in there help section.
It is still in use.
Click on "Help" at the top of this page or use this link
Get support with BT products and services | BT Help
then select the service you want, Scroll down and click on "Contact Us" and again select the service you want help about. A new page should open with a "Message Now" button on the left hand side.
If it is not showing it may not be available because there are insufficient staff to answer it so try again later.
I think "Live" is a misrepresentation - be prepared for an hour wait.
As was pointed out in the first message. "Live Chat" is no longer available so it would be a misrepresentation if BT was still calling it that.
It has been replaced with "Message Us".